CA2474122C - Information recording apparatus and method, and information reproduction apparatus and method - Google Patents

Information recording apparatus and method, and information reproduction apparatus and method Download PDF

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Publication number
CA2474122C
CA2474122C CA2474122A CA2474122A CA2474122C CA 2474122 C CA2474122 C CA 2474122C CA 2474122 A CA2474122 A CA 2474122A CA 2474122 A CA2474122 A CA 2474122A CA 2474122 C CA2474122 C CA 2474122C
Authority
CA
Canada
Prior art keywords
contents
control information
copy
encryption
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2474122A
Other languages
English (en)
French (fr)
Other versions
CA2474122A1 (en
Inventor
Motoki Kato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of CA2474122A1 publication Critical patent/CA2474122A1/en
Application granted granted Critical
Publication of CA2474122C publication Critical patent/CA2474122C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G11B20/00507—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein consecutive physical data units of the record carrier are encrypted with separate encryption keys, e.g. the key changes on a cluster or sector basis
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • G11B20/00753—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
    • G11B20/00768—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • G11B20/00753—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
    • G11B20/00768—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags
    • G11B20/00775—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags wherein said copy control information is encoded in an encryption mode indicator [EMI]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Optical Recording Or Reproduction (AREA)
CA2474122A 2002-01-28 2003-01-24 Information recording apparatus and method, and information reproduction apparatus and method Expired - Fee Related CA2474122C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002019033 2002-01-28
JP2002/19033 2002-01-28
PCT/JP2003/000646 WO2003065364A1 (fr) 2002-01-28 2003-01-24 Dispositif et procede d'enregistrement d'informations, et dispositif et procede de reproduction d'informations

Publications (2)

Publication Number Publication Date
CA2474122A1 CA2474122A1 (en) 2003-08-07
CA2474122C true CA2474122C (en) 2014-02-11

Family

ID=27654122

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2474122A Expired - Fee Related CA2474122C (en) 2002-01-28 2003-01-24 Information recording apparatus and method, and information reproduction apparatus and method

Country Status (14)

Country Link
US (1) US7813249B2 (zh)
EP (1) EP1471521B1 (zh)
JP (1) JP4601959B2 (zh)
KR (1) KR100955976B1 (zh)
CN (1) CN100442377C (zh)
AT (1) ATE402472T1 (zh)
CA (1) CA2474122C (zh)
DE (1) DE60322341D1 (zh)
ES (1) ES2310649T3 (zh)
HK (1) HK1062071A1 (zh)
MX (1) MXPA04006697A (zh)
MY (1) MY142355A (zh)
TW (1) TWI244645B (zh)
WO (1) WO2003065364A1 (zh)

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US20040252973A1 (en) * 2003-06-10 2004-12-16 Samsung Electronics Co., Ltd. System and method for audio/video data copy protection
KR20050055547A (ko) * 2003-12-08 2005-06-13 삼성전자주식회사 복사 제어 정보를 이용한 암호화된 데이터의 복호화 방법및 그 장치와, 이를 구현하기 위한 프로그램이 기록된컴퓨터로 읽을 수 있는 기록 매체
JP4114605B2 (ja) * 2003-12-24 2008-07-09 ソニー株式会社 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム
US20060078273A1 (en) * 2004-10-07 2006-04-13 Eastman Kodak Company Promotional materials derived from digital cinema data stream
KR100636781B1 (ko) * 2004-12-13 2006-10-23 삼성전자주식회사 복사방지신호를 감지하는 디지털 녹화장치 및 그 방법
WO2006110001A1 (en) 2005-04-13 2006-10-19 Samsung Electronics Co., Ltd. Method of packaging broadcast contents
KR100823256B1 (ko) 2005-04-13 2008-04-17 삼성전자주식회사 방송 콘텐츠 패키징 방법
KR101137341B1 (ko) * 2005-11-02 2012-04-19 엘지전자 주식회사 방송 수신 장치 및 진단 정보 표출 방법
JP2007213638A (ja) * 2006-02-07 2007-08-23 Funai Electric Co Ltd ハードディスクドライブ一体型光ディスク装置
CN101286338B (zh) * 2007-04-12 2010-06-02 鸿富锦精密工业（深圳）有限公司 电子设备及其数据加密方法与数据解密方法
JP4292230B1 (ja) * 2008-03-14 2009-07-08 株式会社東芝 デジタル放送受信記録再生装置及びデジタル放送受信記録再生方法
JP2010009705A (ja) * 2008-06-27 2010-01-14 Toshiba Corp 記録装置および再生装置
JP5944112B2 (ja) * 2011-05-09 2016-07-05 日立マクセル株式会社 受信再送信方法

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CA2265647C (en) 1996-10-16 2003-09-23 International Business Machines Corporation Method and system for managing access to data through data transformation
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US6584275B1 (en) * 1996-12-20 2003-06-24 Thomson Licensing Sa Control of consumer recording equipment
JPH114241A (ja) 1997-06-12 1999-01-06 Nissan Motor Co Ltd 車両用ネットワークシステム及びそれに用いるプログラムを記録した記録媒体
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JP4078792B2 (ja) * 2000-06-21 2008-04-23 ソニー株式会社 情報記録装置、情報再生装置、暗号処理キー更新方法、並びにプログラム提供媒体
JP4269501B2 (ja) * 2000-09-07 2009-05-27 ソニー株式会社 情報記録装置、情報再生装置、情報記録方法、情報再生方法、および情報記録媒体、並びにプログラム提供媒体
KR100608573B1 (ko) * 2003-05-20 2006-08-03 삼성전자주식회사 데이터 복제방지 장치와 시스템 및 복제방지 방법

Also Published As

Publication number Publication date
HK1062071A1 (en) 2004-10-15
TW200302461A (en) 2003-08-01
EP1471521B1 (en) 2008-07-23
CN1453785A (zh) 2003-11-05
CA2474122A1 (en) 2003-08-07
TWI244645B (en) 2005-12-01
MY142355A (en) 2010-11-30
US20030219230A1 (en) 2003-11-27
EP1471521A1 (en) 2004-10-27
ATE402472T1 (de) 2008-08-15
KR100955976B1 (ko) 2010-05-04
WO2003065364A1 (fr) 2003-08-07
MXPA04006697A (es) 2004-10-04
DE60322341D1 (de) 2008-09-04
KR20040081147A (ko) 2004-09-20
US7813249B2 (en) 2010-10-12
EP1471521A4 (en) 2006-09-06
ES2310649T3 (es) 2009-01-16
JPWO2003065364A1 (ja) 2005-05-26
CN100442377C (zh) 2008-12-10
JP4601959B2 (ja) 2010-12-22

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